Prevalence, risk factors and clinical correlates of depression in quarantined population during the COVID-19 outbreak

•The prevalence of depression was increased (6.21%) in quarantined subjects.•Depressed group were younger, less educated and married than non-depressed group.•Depression was positively correlated with anxiety, poor sleep quality and PTSS.•It is necessary to take strategies to improve the depression of quarantined subjects. The COVID-19 outbreak has brought tremendous psychological pressure to the general population, which may lead to depression. Therefore, this study aim to evaluate the prevalence and clinical correlates of depressive symptoms in the general population quarantined during the COVID-19 outbreak in Shenzhen. 2237 quarantined general individuals participated in this cross-sectional study from February 14 to March 4, 2020, during their 14 days quarantine. They completed the Zung's Self-Rating Depression Scale (SDS) for depression, Zung's self-rating anxiety scale (SAS) for anxiety, the Pittsburgh Sleep Quality Index (PSQI) for sleep quality, and the Impact of Events Scale-Revised (IES-R) for post-traumatic stress symptoms (PTSS). The prevalence of depressive symptom was 6.21% in quarantined individuals. The depressed group were younger, less married and educated, and had higher SAS, PSQI, IES-R total scores (all p